An atom consists of 21 protons, 22 neutrons, and a number of electrons. Which information would be most helpful in determining the atom's identity A. The number of protons and neutrons
B. The number of protons
C. The number of electrons
D. The number of balance electrons

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

If your blood becomes too concentrated with iona, what will happen to the red blood cells

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.